Technician A says that it is safe to release R-12 refrigerant into the atmosphere. Technician B says as sunlight strikes CFC molecules in the statosphere chlorine will be released. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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Two basic connections for a defrost timer are: the ____ and the cumulative compressor run timer.
a. electromechanical timer b. thermal timer c. continuous run timer d. countdown timer
Technician A says the oil from your skin can cause corrosion of electrical terminals. Technician B says do not remove a part from its protective package until it is time to install the part. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
At ______________________________, as much as one-half of the water in the rootzone is available for plant use
Fill in the blank(s) with correct word
Use Data Sheet 5. What performance advantage is there in including a 45 degree offset into a 90 degree bend?
Fill in the blank(s) with the appropriate word(s).